Highway SchoolJune 2, 2008

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Roll It! Demo

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If you want to know the review process for products to get listed,

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Choose the Slope button Enter the slope gradient.Enter the functional longevityClick “Find Recommended Product Group”

Click “Find Recommended Product Group”You will get a short list of products from which to choose.

SoilSite conditionsType of RECP being installed

Typical Lengths Soil Conditions

4 - 6 inches Heavy clay soils

6 inches Typical loam soil conditions.

8 inches Relatively loose sandy loam to sandy soils.

12 inches or longer Excessively loose soils, slopes containing fine silt, sand, or soft mud. Deep and soft fills, loose sands, silts, loams or “quick”conditions.

*Chart presents a general guideline for selection

Use Standard Horticultural Practices for Soil AmendmentsSeed the Area

Dry Broadcast

Hydraulic SeedingMechanical Drill

Slide provided by Dr. Jerry Fifield

Two methods of anchoring the blanket◦ Anchor Trench◦ Check Slot

Prepare the anchor trench – 6 inches by 6 inches

Secure the RECP in the Anchor Trench –staples 12 inches apart

Secure anchor trench by folding RECP over filled anchor trench

Staples staggered four inches apart can be used to secure the RECP if no upland water flow exists.

Slope installation – follow manufacturer’s recommendations for RECP edges.RECP edges vary from zero to six inches of overlap.

Staple or Stake the RECPUse Manufacturer’s Recommended Stapling Rates

Slope Gradient Typical Staple Quantities

4:1 slope 0.7 – 1.2 yd2

3:1 slope 1.2 – 1.7 yd2

2:1 slope 1.7 – 3.8 yd2

1:1 slope 1.7 – 3.8 yd2

Secure the RECP at the slope toe

Erosion Control Technology Council

PO Box 18012

Saint Paul, MN 55118 USA

Telephone: 651-554-1895

Fax: 651-450-6167

E-mail: laurie@ectc.org

www.ectc.org